.write-panel {
  display: flex;
}

.sigCanvas{
  border: 2px solid rgba(146, 143, 255, 0.8);
  border-radius: 10px;
  margin: 0 auto;
  position: relative;
}

.operate{
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}